<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2017/12/26
 * Time: 14:48
 */


//$array = [
//    'name' => 'aaa',
//    'age'  => 18
//];
//
//echo json_encode($array);

$pwd = '123456';

echo md5($pwd);